Knew Concepts Heavy Duty Steel Bench Pin Riser-10 Lbs. Economy 256 from the disposable tank

256 from the disposable tank when not in use

Thermoelectric probe measures heat conductivity unique to each gemstone type

3 AAA batteries

Adjustable design fits a wide range of wrist sizes

This maintenance kit is compatible with Foredom M

Knew Concepts Heavy Duty Steel Bench Pin Riser-10 Lbs. Economy 256 from the disposable tankThis heavy duty steel bench pin riser lifts your dovetail bench pin up to a true jewelry bench height, so you can saw, file, and set with your work near eye level instead of hunched over a low table. Designed by a working jewelry instructor for real classroom conditions, it turns any standard table into a rock solid, ergonomic bench in seconds. The bench pin risers are available in two versions: steel and aluminum. This is the steel version. Knew